def list
    @type = @current_product.archetype
    @features = @type.features
  end

  def create
    @characteristic = Characteristic.new(params[:characteristic])
    if @characteristic.save
      flash[:notice] = 'Characteristic was successfully created.'
      redirect_to :action => 'list'
    else
      render :action => 'new'
    end
  end

  def edit
    @feature = Feature.find(params[:feature_id])
    @characteristic = @feature.characteristics.find(:all, :conditions => ['product_id = ?', @current_product.id])
    if @characteristic.length == 1
      @characteristic = @characteristic.first
    else
      @characteristic = Characteristic.new
    end
  end

  def update
    @feature = Feature.find(params[:feature_id])
    @characteristic = @feature.characteristics.find(:all, :conditions => ['product_id = ?', @current_product.id])
    
    # If it doesn't exist already
    if @characteristic.length == 0
      @edit = Characteristic.new(params[:characteristic])
      @feature.characteristics << @edit
      @current_product.characteristics << @edit
    # If it does exist, and it's not a list
    elsif @characteristic.length == 1
      @edit = @characteristic.first
      @edit.value = params[:characteristic][:value]
    end
    if @edit.save
      flash[:notice] = 'Characteristic updated'
      redirect_to :action => 'list'
    else
      flash[:notice] = 'There were problems updating the characteristic'
      render :action => 'edit'
    end
  end